utils: Create module.

Added the catchError function to be used with controllers.

backend/src/utils.ts

@@ -0,0 +1,13 @@
+import { Request, Response } from 'express';
+
+type ControllerFunction = (req: Request, res: Response) => Promise<void>;
+
+export function catchError(fn: ControllerFunction): ControllerFunction {
+    return async function (req: Request, res: Response) {
+        try {
+            return await fn(req, res);
+        } catch (error) {
+            res.status(500).json({ error: error });
+        }
+    };
+}